Non-integumentary melanosomes can bias reconstructions of the colours of fossil vertebrates

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dc.contributor.authorMcNamara, Maria E.
dc.contributor.authorKaye, Jonathan S.
dc.contributor.authorBenton, Michael J.
dc.contributor.authorOrr, Patrick J.
dc.contributor.authorRossi, Valentina
dc.contributor.authorIto, Shosuke
dc.contributor.authorWakamatsu, Kazumasa
dc.contributor.funderNatural Environment Research Council
dc.contributor.funderEnterprise Ireland
dc.contributor.funderFP7 People: Marie-Curie Actions
dc.contributor.funderEuropean Research Council
dc.date.accessioned2018-08-29T15:47:21Z
dc.date.available2018-08-29T15:47:21Z
dc.date.issued2018
dc.description.abstractThe soft tissues of many fossil vertebrates preserve evidence of melanosomes-micron-scale organelles that inform on integumentary coloration and communication strategies. In extant vertebrates, however, melanosomes also occur in internal tissues. Hence, fossil melanosomes may not derive solely from the integument and its appendages. Here, by analyzing extant and fossil frogs, we show that non-integumentary melanosomes have high fossilization potential, vastly outnumber those from the skin, and potentially dominate the melanosome films preserved in some fossil vertebrates. Our decay experiments show that non-integumentary melanosomes usually remain in situ provided that carcasses are undisturbed. Micron-scale study of fossils, however, demonstrates that non-integumentary melanosomes can redistribute through parts of the body if carcasses are disturbed by currents. Collectively, these data indicate that fossil melanosomes do not always relate to integumentary coloration. Integumentary and non-integumentary melanosomes can be discriminated using melanosome geometry and distribution. This is essential to accurate reconstructions of the integumentary colours of fossil vertebrates.en
dc.description.sponsorshipEnterprise Ireland (Enterprise Ireland Basic Research (C/2002/138); NERC (NE/I027630/1)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid2878
dc.identifier.citationMcNamara, M. E., Kaye, J. S., Benton, M. J., Orr, P. J., Rossi, V., Ito, S. and Wakamatsu, K. (2018) 'Non-integumentary melanosomes can bias reconstructions of the colours of fossil vertebrates', Nature Communications, 9(1), 2878 (9pp). doi: 10.1038/s41467-018-05148-xen
dc.identifier.doi10.1038/s41467-018-05148-x
dc.identifier.endpage9
dc.identifier.issn2041-1723
dc.identifier.journaltitleNature Communicationsen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/6662
dc.identifier.volume9
dc.language.isoenen
dc.publisherNature Publishing Groupen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::ERC::ERC-STG/637691/EU/Animal coloration through deep time: evolutionary novelty, homology and taphonomy/ANICOLEVO
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP3::PEOPLE/618598/EU/THE TAPHONOMY OF COLOUR IN FOSSIL INSECTS AND FEATHERS/FOSSIL COLOUR
dc.relation.urihttps://www.nature.com/articles/s41467-018-05148-x
dc.rights© 2018, the Author(s). Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectYixian formationen
dc.subjectBlacken
dc.subjectPheomelaninen
dc.subjectTaphonomyen
dc.subjectMioceneen
dc.subjectLibrosen
dc.subjectChinaen
dc.subjectSpainen
dc.subjectFossilizationen
dc.subjectPreservationen
dc.titleNon-integumentary melanosomes can bias reconstructions of the colours of fossil vertebratesen
dc.typeArticle (peer-reviewed)en
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